How to use aerosols in greenhouses

Aerosol is a new technology for preventing and controlling boron vegetables pests. It is used to evaporate pesticides into mist particles or disperse them directly into smoke particles to prevent disease and disinfestation. The control effect is obvious and superior to that of spraying and powder spraying. The use of aerosol must master the following technical measures.
Strictly sealed before the use of aerosol in disease prevention and extermination in greenhouses to check the good shed, make up the loopholes, so that the shed is closed and tight, the more effective the strict control.
It is appropriate to use the aerosol time to cover the grass curtains in the evening. It is best to use igniting aerosols on cloudy days and snow evenings to prevent disease and disinfestation. This is because under the sunlight, the surface temperature of the plants is the same as the temperature of the smoke particles, and the smoke is not easy to deposit and affect the efficacy.
The method of application of aerosol in the big Boron should be evenly spaced. When it is fired, it must first be ignited from the shed, in order, and finally ignite the large boron-escape aerosol. It must be ignited with a dark fire. After all lit. People need to leave the site and seal the greenhouse overnight. The next morning, open the ventilation vents in the greenhouse. After the ventilation is over, people can enter the shed.
The dose should be determined according to the size of the greenhouse, the degree of occurrence of the pests and the effective content of the aerosol agent. Under normal circumstances, the amount of 30% chlorothalonil aerosol, 10% quick-drying aerosol and 22% dichlorvos aerosol dosage For each cubic meter of 0.3% to 0.4% grams. If the disease or insect is severe or the greenhouse is poorly closed, the dosage may be increased appropriately. Generally applied once every 7 to 10 days, once every 2 to 3 times, good results can be obtained.

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